Concept information
Preferred term
Stellar associations
Definition
- A large, loose grouping of 10 to 1000 stars that are of similar spectral type and share a common origin. The members move together through space, but have become gravitationally unbound. Stellar associations are primarily identified by their common movement vectors and ages. (en)
Broader concept
- Star clusters (en)
Narrower concepts
- O associations (en)
- OB associations (en)
- R associations (en)
- T associations (en)
Entry terms
- Star associations (en)
URI
http://astrothesaurus.org/uat/1582
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